pyridazine

noun

py·​rid·​azine

pīˈridəˌzēn,

ˌpirəˈdaˌz-,

-zə̇n

1

: a liquid feeble heterocyclic base C₄H₄N₂; 1,2-diazine

called also ortho-diazine

2

: a derivative of pyridazine

Word History

Etymology

International Scientific Vocabulary pyrid- + azine

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now